1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc67a00c5289b3fcbd4586776ecc26f05f15c76b88f378deaa569512a1935c452. Chain 2 (Bitcoin): anchored in block 953842 (2026-06-15T22:22:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ec31f428-edc5-467f-b0b9-26508d963724.json and https://artists.proofprofile.net/proofs/artist/ec31f428-edc5-467f-b0b9-26508d963724.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Canção Para Inglês Ver / Chiquita Bacana - Medley
Canto Chorado / Bom Tempo / Lapinha - Medley
Ele Falava Nisso Todo Dia / Bat Macumba / Frevo Rasgado - Medley
Andantino - From Quarta Sinfonia, Tchaikovsky
Tema do 1º Movimento - From Sinfonia Quarta e Quinta, Beethoven
Andante Cantabile - From Quinta Sinfonia, Tchaikovsky
Tema de Concêrto para Piano - Op 54, Schuman